The Volkswagen Golf 2.0 TDI CR 140hp (Mk6 - 2009 - 2012) produces 140bhp and 320Nm in standard form. Our Stage 1 ECU tuning file raises output to 185bhp and 420Nm, a gain of 45bhp and 100Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.